FEATURES Sliding Rail Design - Enables easy server access for maintenance and upgrades Heavy-Duty Construction - Durable metal build for stable rack deployment 19-Inch Rack Compatible - Fits standard server cabinets Tool-Assisted Installation - Straightforward mounting process Optimised for Synology Rackmount Models - Designed for compatible 2U andselected rack systemsAPPLIED MODELS FS Series: FS6400, FS3600, FS3410, FS3400, FS3017, FS2017 SA Series: SA6400, SA3610, SA3600, SA3410, SA3400D, SA3400, SA3200D UC Series: UC3400, UC3200 23 Series: RS2423RP+, RS2423+, RX1223RP 22 Series: RS822RP+, RS822+, RS422+, RX1222sas 21 Series: RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+,RS1221RP+, RS1221+, FX2421 20 Series: RS820RP+, RS820+ 19 Series: RS1619xs+, RS1219+, RS819, RXD1219sas 18 Series: RS3618xs, RS2818RP+, RS2418RP+, RS2418+, RS818RP+, RS818+, RX418 17 Series: RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, RS3617xs, RX24